coal mine safety
常见例句
- But coal-mine safety became a hot spot of social attention.
煤炭供需紧张关系缓和，煤矿安全成为社会关注热点。 - The paper analyzes the difference between China and American coal-mine safety.
系统地分析了我国的煤矿安全与美国相比所存在的差距与不足。 - On Tuesday afternoon, Kevin Stricklin, the federal coal-mine safety chief, hazarded an answer.
周二的下午，联邦矿山安全署署长凯文•斯特里克林大胆给出一个答案。 返回 coal mine safety